Home / 578,583,353.92-798,451,498.80-340,481,178.32

Finding the Fourth Proportional to 578,583,353.92, 798,451,498.80 and 340,481,178.32

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Solution

The fourth proportional to 578,583,353.92, 798,451,498.80 and 340,481,178.32 is: 469,867,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,583,353.92 : 798,451,498.80 = 340,481,178.32 : x
  2. Step 2: Convert to fraction form
    578,583,353.92/798,451,498.80 = 340,481,178.32/x
  3. Step 3: Cross multiply
    578,583,353.92x = 798,451,498.80 × 340,481,178.32
  4. Step 4: Simplify right side
    578,583,353.92x = 271,857,707,142,794,048
  5. Step 5: Solve for x
    x = 271,857,707,142,794,048/578,583,353.92
  6. Step 6: Final answer
    x = 469,867,833.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.